Check in codegen test expectations.

test/codegen/expect/language/interceptor8_test.js

Index: test/codegen/expect/language/interceptor8_test.js
diff --git a/test/codegen/expect/language/interceptor8_test.js b/test/codegen/expect/language/interceptor8_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..085cd125a873e69a1058e902eeef900c6df15f86
--- /dev/null
+++ b/test/codegen/expect/language/interceptor8_test.js
@@ -0,0 +1,24 @@
+dart_library.library('language/interceptor8_test', null, /* Imports */[
+  'dart_sdk'
+], function load__interceptor8_test(exports, dart_sdk) {
+  'use strict';
+  const core = dart_sdk.core;
+  const _interceptors = dart_sdk._interceptors;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const interceptor8_test = Object.create(null);
+  let JSArrayOfint = () => (JSArrayOfint = dart.constFn(_interceptors.JSArray$(core.int)))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  dart.defineLazy(interceptor8_test, {
+    get a() {
+      return JSArrayOfint().of([5, 2]);
+    },
+    set a(_) {}
+  });
+  interceptor8_test.main = function() {
+    core.print(dart.notNull(interceptor8_test.a[dartx.get](0)) / dart.notNull(interceptor8_test.a[dartx.get](1)));
+  };
+  dart.fn(interceptor8_test.main, VoidTodynamic());
+  // Exports:
+  exports.interceptor8_test = interceptor8_test;
+});